添加PLA复合材料作为组织工程-合成,表征和增材制造的潜在材料
Fawad Ali1, Ans Al Rashid1, Sumama Nuthana Kalva1
1Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Qatar Foundation, Doha 34110, Qatar.
Materials (Basel, Switzerland)
|October 14, 2023
概括
增强 (Mg) 聚乳酸 (PLA) 复合物对骨再生有希望. 添加Mg可以显著增强PLA.
科学领域:
- 生物材料科学 生物材料科学
- 聚合物科学 聚合物科学
- 组织工程是组织工程.
背景情况:
- 聚乳酸 (PLA) 是一种生物相容的聚合物,在骨组织工程中具有限制的生物降解性.
- (Mg) 具有良好的生物降解性和骨质导电性,使其适用于骨再生应用.
- 目前正在探索Mg/PLA复合材料,以克服PLA的局限性.
研究的目的:
- 准备和表征Mg/PLA复合材料用于3D打印中直接墨水写作 (DIW).
- 研究Mg添加对PLA的热,结构和降解特性的影响.
- 为了评估Mg/PLA油墨对于3D打印骨架的适用性.
主要方法:
- 制备和表征不同含量的Mg/PLA复合材料.
- 用X射线衍射 (XRD) 分析结晶性和热稳定性.
- 扫描电子显微镜 (SEM) 用于研究表面形态和组成.
- 直接墨水写作 (DIW) 3D打印实验.
主要成果:
- 的添加显著影响了PLA的热特性,增加了结晶温度和降低了化温度.
- 加入Mg增强了PLA的降解速度.
- 含有5%重量的Mg的Mg/PLA薄膜表现出有序的蜂结构,可能影响材料特性.
- 成功的初步DIW3D打印尺寸和结构完整的脚手架样本.
结论:
- /PLA复合材料显示出用于骨组织工程的可打印生物材料的潜力.
- 添加可以提高PLA的生物降解性,并影响其结构特性.
- 需要进行进一步的研究,以优化油墨整形学,以提高DIW 3D打印中的形状保真度.
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